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charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 9bd30915963157d975969649f8b3143408ecdf3c Auto-Submitted: auto-generated Date: Fri, 30 Oct 2026 13:52:38 +0000 Message-Id: <6ae4a126.1ea66.4e887fbe@gitrepo.freebsd.org> The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=9bd30915963157d975969649f8b3143408ecdf3c commit 9bd30915963157d975969649f8b3143408ecdf3c Author: Konstantin Belousov AuthorDate: 2026-10-22 21:28:43 +0000 Commit: Konstantin Belousov CommitDate: 2026-10-30 13:51:03 +0000 libthr: test pthread_query_np(3) and pthread_query_all_np(3) Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D60838 --- lib/libthr/tests/Makefile | 1 + lib/libthr/tests/pthread_query_test.c | 123 ++++++++++++++++++++++++++++++++++ 2 files changed, 124 insertions(+) diff --git a/lib/libthr/tests/Makefile b/lib/libthr/tests/Makefile index f738c3268c56..750f0b2305d4 100644 --- a/lib/libthr/tests/Makefile +++ b/lib/libthr/tests/Makefile @@ -37,6 +37,7 @@ ATF_TESTS_C+= atfork_test ATF_TESTS_C+= umtx_op_test ATF_TESTS_C+= pthread_sigqueue_test ATF_TESTS_C+= pthread_tryjoin_test +ATF_TESTS_C+= pthread_query_test LIBADD+= pthread LIBADD.fpu_test+= m diff --git a/lib/libthr/tests/pthread_query_test.c b/lib/libthr/tests/pthread_query_test.c new file mode 100644 index 000000000000..75e26a268c07 --- /dev/null +++ b/lib/libthr/tests/pthread_query_test.c @@ -0,0 +1,123 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright 2026 The FreeBSD Foundation + * + * This software was developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static atomic_int started; + +#define MY_ERRNO_VAL 0x12345678 + +static void * +thr_fun(void *arg) +{ + errno = MY_ERRNO_VAL; + /* release so the errno update is visible */ + atomic_store_explicit(&started, 1, memory_order_release); + for (;;) + sleep(1); + return (arg); +} + +ATF_TC(pthread_query_all); +ATF_TC_HEAD(pthread_query_all, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks pthread_query_all_np(3)"); +} + +ATF_TC_BODY(pthread_query_all, tc) +{ + pthread_t thr; + struct pthread_info_np *pi; + size_t bufsz, n; + void *p; + int error; + bool found; + + error = pthread_create(&thr, NULL, thr_fun, NULL); + ATF_REQUIRE_EQ(error, 0); + + while (atomic_load_explicit(&started, memory_order_acquire) != 1) + usleep(1000); + + bufsz = 0; + error = pthread_query_all_np(NULL, &bufsz); + ATF_REQUIRE_EQ(error, ENOMEM); + ATF_REQUIRE(bufsz >= sizeof(*pi) * 2); + p = malloc(bufsz); + ATF_REQUIRE(p != NULL); + + error = pthread_query_all_np((struct pthread_info_np *)p, &bufsz); + ATF_REQUIRE_EQ(error, 0); + + found = false; + for (n = 0; n < bufsz;) { + pi = p; + if (pi->thread == thr) { + found = true; + break; + } + + n += pi->pthread_info_size; + p = (char *)p + pi->pthread_info_size; + } + + ATF_REQUIRE(found); + ATF_REQUIRE((pi->flags & PTHREAD_INFO_DETACHED_NP) == 0); + ATF_REQUIRE((pi->flags & PTHREAD_INFO_INITIAL_NP) == 0); + ATF_REQUIRE_EQ(*(pi->errno_location), MY_ERRNO_VAL); +} + +ATF_TC(pthread_query_main); +ATF_TC_HEAD(pthread_query_main, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks pthread_query_np(3) for single initial thread"); +} + +ATF_TC_BODY(pthread_query_main, tc) +{ + pthread_mutex_t mtx; + pthread_t main_thr; + struct pthread_info_np pi; + int error; + static const char main_name[] = "main_name"; + + error = pthread_mutex_init(&mtx, NULL); /* init the threading lib */ + ATF_REQUIRE_EQ(error, 0); + + main_thr = pthread_self(); + pthread_set_name_np(main_thr, main_name); + error = pthread_query_np(main_thr, &pi, sizeof(pi)); + ATF_REQUIRE_EQ(error, 0); + ATF_REQUIRE_EQ(pi.pthread_info_size, sizeof(pi)); + ATF_REQUIRE_EQ(pi.state, PTHREAD_STATE_RUNNING_NP); + ATF_REQUIRE((pi.flags & PTHREAD_INFO_INITIAL_NP) != 0); + ATF_REQUIRE_EQ(pi.thread, main_thr); + ATF_REQUIRE_EQ(pi.lwpid, pthread_getthreadid_np()); + ATF_REQUIRE_EQ(strcmp(pi.name, main_name), 0); + ATF_REQUIRE_EQ(pi.errno_location, &errno); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, pthread_query_main); + ATF_TP_ADD_TC(tp, pthread_query_all); + return (atf_no_error()); +}